function [ output_args ] = isForaging( sktpPrev, sktpCur )
%UNTITLED Summary of this function goes here
%   Detailed explanation goes here

   numPixelsPrev = size(sktpPrev,1);
   tailDistTravelled = ...
       mean ( distl2( sktpPrev(numPixelsPrev-19: numPixelsPrev,:),...
       sktpCur(numPixelsCur-19: numPixelsCur,:));
   headAveDisTravelled = ...
       mean ( distl2( sktpPrev(1: numPixelsPrev+3,:),...
                      sktpCur( 1: numPixelsCur +3,:)...
                    )...
             );
         
end

